CN102739483A - Method for indirectly accessing intelligent terminal - Google Patents
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- CN102739483A CN102739483A CN2012101879375A CN201210187937A CN102739483A CN 102739483 A CN102739483 A CN 102739483A CN 2012101879375 A CN2012101879375 A CN 2012101879375A CN 201210187937 A CN201210187937 A CN 201210187937A CN 102739483 A CN102739483 A CN 102739483A
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Abstract
The invention provides a method for indirectly accessing an intelligent terminal. The method comprises the following steps that: (1) an application server waits for access of an unknown intelligent home gateway, and has no action information about the intelligent home gateway; (2) the intelligent home gateway sends out an access request to register the application server; (3) after registering, the intelligent home gateway starts to receive remote-distance access; and (4) the application server provides an interface capable of being accessed by the intelligent home gateway for a user. With the adoption of the method provided by the invention, the limited IP (Internet Protocol) resource access is realized in an intelligent home system, and intelligent terminals without a quantity limitation in theory can be controlled, so that the user can access the random intelligent terminal through the intelligent gateway. Furthermore, according to the method provided by the invention, the gateways can be managed by using a network; an intelligent society can be constructed; and other function expansion on the basis can be realized.
Description
Technical field
The present invention relates to a kind of intelligent domestic gateway communication technical field, and relate in particular to a kind of method of dereference intelligent terminal.
Background technology
Intelligent house network system promptly is to utilize computer, network and comprehensive wiring technology; Through the family information management platform the various subsystems relevant with life staying idle at home organically are combined into a system; Under the control of family's network operating system; Through relevant hardware and actuator, realize control and monitoring to household electrical appliances on all home networks and equipment.Gateway is as a kind of home network device, and the variety of way of generally using telecom operators to provide is linked in the Internet, comprises ADSL, Cable modem, broadband, sub-district or other access waies.Which kind of mode no matter, gateway seldom has fixed ip address.
Gateway discovery is to mix topic the most popular in Ad Hoc network (the Hybrid Ad Hoc Networks) correlative study, also is the field that the researcher concentrates the most.In the gateway discovery process; Gateway distributes gateway announce packet GWADV (Gateway Advertisement Messages) actively or passively declaring its information on services, the node among the MANET then through receive with resolve these GWADV obtain following overall link information and and then carry out the overall situation and be connected (Global Connectivity):
(1) prefix of gateway ip address or gateway ip address, Care-of Address COA (if gateway operation FA module).Above-mentioned information is generally comprised among the GWADV, and MN resolves its relevant field can obtain the address that can use at current link.
(2) based on link to being referred to as hypothesis, that is to say based on reverse along GWADV packet propagation path and go up the overall route (Global Route) that the hypothesis can arrive gateway is set up the sensing gateway.
Provide the active degree of its information on services, existing gateway discovery scheme can be divided into initiatively four big types of (Proactive), passive (Reactive), hybrid mode (Hybrid) and self adaptations (Adaptive) according to gateway.Intelligent domestic gateway is as a kind of home network device, and the variety of way of generally using telecom operators to provide is linked in the Internet, comprises ADSL, Cable modem, broadband, sub-district or other access waies.Which kind of mode no matter, gateway seldom has fixed ip address, and this has brought inconvenience for the external reference gateway.
In the prior art; Application number is that 200510071365.4 one Chinese patent application " IP communication system and IP address assignment method thereof " provides a kind of IP communication system and IP address assignment method thereof; Wherein, The IP communication system comprises the gateway apparatus of having accommodated the entrant terminal; According to based on the agreement control setting of master-slave type architecture gateway control apparatus at the gateway apparatus of entrant's side, to this gateway control apparatus entrant's information database of entrant's information is provided, and the IP address assignment device of distributing IP address dynamically.And gateway apparatus obtains the IP address, notifies this IP address to gateway control apparatus, and be stored in entrant's information database to IP address assignment device requests distributing IP address.
The scheme of above-mentioned patent application is come the control gateway control device based on the agreement of master-slave type architecture; But in fact the protocol architecture of intelligent domestic system not all is a host-guest architecture also, and this has caused difficulty just for the intelligent terminal in remote access Household intelligent gateway and then the visit intelligent domestic system.
Summary of the invention
In view of the shortcoming of prior art, the present invention provides a kind of method of dereference intelligent terminal, comprising:
(1) application server is waited for the visit of unknown intelligent domestic gateway, does not have the action message about this intelligent domestic gateway on the said application server;
(2) said intelligent domestic gateway is initiated access request, to said application server registers;
(3) after said registration finished, said intelligent domestic gateway began to accept remote access;
(4) application server provides said intelligent domestic gateway addressable interface to the user;
Wherein, said intelligent domestic gateway is connected with intelligent terminal through switch, is connected through ethernet line between said intelligent domestic gateway and the said switch, is connected through the RS485 bus between said switch and the intelligent terminal.
Further, the 4th, 5,7,8 four line of wherein said ethernet line constitutes the RS485 bus, and the 1st, 2,3,6 four line of said ethernet line is used to transmit ethernet signal.
Further, the TTL of intelligent domestic gateway announce packet is according to the actual conditions Automatic Optimal.
Further; Wherein, The intelligent domestic system at intelligent domestic gateway place comprises intelligent gateway, infrared socket and infrared plug and has power line and be connected to the infrared communication module of the holding wire of infrared transceiver device, be connected to the home intelligent terminal of intelligent domestic gateway through said infrared communication module; Infrared communication module is that home intelligent terminal provides electric power through power line, and communicates through holding wire and the intelligent domestic gateway that is connected to infrared transceiver device.
Further, wherein, said intelligent domestic gateway is supported the several data link, and said data link comprises 485 buses, Ethernet and Radio Link.
Further, said gateway is discerned the intelligent terminal that connects on each link according to the characteristic of each agreement on each link and user's configuration.
Further, wherein, said gateway is discerned the various Smart Home agreements on each link automatically, thereby discerns the intelligent terminal that connects on each link.
Further, said intelligent domestic system also comprises the intelligent domestic appliance controller, between the intelligent domestic appliance controller and intelligent terminal, connects up through in multiple RS485, RS232 or other wired connection modes and the wireless connections mode one or more.
Further, wherein, said intelligent domestic gateway is taked the network connecting wiring mode of one or more topological structures in star-like, ring-like and bus-type and the tree-shaped type.
Further, wherein, when the infrared plug of family's intelligent terminal was connected the infrared socket of compound bus, home intelligent terminal sent fixed address at first for digital home's intelligent gateway;
Distribute a dynamic id address after digital home's intelligent gateway is received fixed address, can for the corresponding infrared socket of this fixed address, and adopt source address and the destination address of this dynamic id address as communication.
Further, wherein, this fixed address comprises the one or more combination in the sequence number of batch code, home intelligent terminal of type codes, the home intelligent terminal of bar code, the home intelligent terminal of home intelligent terminal.
Further, wherein infrared communication module communicates through RS485 bus and digital home's intelligent gateway.
Further, wherein said intelligent terminal be in the intelligent house network system and with the equipment or the terminal of the mutual control of control centre of user or intelligent house network system.
The application's beneficial effect is: the adaptability intelligent domestic system can adapt to different Smart Home standards automatically, according to the needs auto-update of household electrical appliances or newer driver more, keeps interconnecting between the intelligent appliance of various criterion.Be convenient to utilize from now on the change of each gateway of network management and the change of each intra-gateway intelligent terminal, make intelligent domestic system have more extensibility.
The invention enables in real time, remote auto visit intelligent domestic system so with intelligent domestic system in smart machine, the terminal is controlled alternately becomes possibility.No matter intelligent domestic system inserts the Internet with which kind of access way,, all can visit the intelligent terminal in the intelligent domestic system in real time, automatically and control alternately through the application's disclosed method.In addition, the application also reduces the networking and the operation cost of intelligent domestic system greatly, is convenient to popularizing of intelligent domestic system.
The invention provides a kind of intelligent home network control system that has the multiplexing function of cable; This system utilizes existing Ethernet twisted-pair feeder parallel transmission ethernet signal and RS485 bus signals; And can not disturb each other; Not only expanded the function of existing ethernet twisted pair, and be convenient to have the home network transformation with minimum cost, fast now, be upgraded to intelligent house network system.
It is convenient that the present invention has networking, the advantage of being convenient to expand.Utilize traditional ethernet twisted-pair feeder and RJ45 interface; Just can realize the quick establishment of intelligent house network system, and can increase gateway flexibly according to the practical application scene; Middle cascade device, switch and intelligent terminal, but infinite expanding and cascade in theory.
It is flexible that the present invention has networking mode.Both can carry out networking between each control appliance, switching equipment, intelligent terminal in the intelligent domestic system through the ethernet twisted pair that the multiplexing function of cable is arranged; Also can realize wireless networking between switch and intelligent terminal through being electrically connected; Mode networkings such as all right mixed ethernet twisted-pair feeder, RJ485 bus, electric connector; Particularly for increasing, remove and the frequent intelligent terminal of position adjustment; Infrared radio connects and communication mode satisfies this demand fully, and need not extra wiring or reservation cable.
The invention solves 485 bus signals and can't pass the technical barrier of Ethernet switch.Because present Ethernet switch does not support 4 useless lines to carry out the information transmission of 485 buses.Reduce the wiring trouble, improved the twisted-pair feeder utilance.
Description of drawings
Fig. 1 shows the intelligent home network structure that the application is suitable for;
The infrared socket that the application that shows Fig. 2 adopts;
The communication structure of the infrared socket that the application that shows Fig. 3 adopts;
Fig. 4 shows the device address structure in the intelligent domestic system among the application;
Fig. 5 shows among the application the method flow diagram at the dereference intelligent terminal.
Embodiment
Fig. 1 shows intelligent home network structure disclosed by the invention.All household equipments are by the unified management of adaptability intelligent domestic gateway.The adaptability intelligent domestic gateway can interconnected different bus agreement home intelligent equipment and terminal.Gateway is the interconnect bridge of whole home network, also is the control centre of home network; It also is the general export that home network leads to external network simultaneously.
Inner at intelligent house network system, the adaptability intelligent domestic gateway is supported the several data link, comprises 485 buses, Ethernet and Radio Link commonly used.Simultaneously, gateway can according to user's configuration, perhaps be discerned the Smart Home agreement on each link more automatically according to the characteristic of agreement on each link, is convenient to discern the smart machine and the terminal that connect on each link.
As shown in Figure 1, home intelligent equipment 6 is connected on the infrared socket 5, is connected with intelligent domestic gateway 1 communication through 485 buses, thereby is connected to the Internet 7 or GSM 8.Home intelligent equipment 6 can be air-conditioning, TV, intelligent electric cooker, gate inhibition or the like; Monitor 9 can be an alarm for example, exists when unusual when detecting intelligent home network inside, gives the alarm to the user.The user can control the smart machine 6 in the intelligent home network through terminal 2, PDA 3 or remote controller 4.
The variety of way that intelligent domestic gateway 1 can use telecom operators to provide is linked in the Internet 7, comprises ADSL, Cable modem, broadband, sub-district or other access waies.Terminal 2 can be any equipment such as computer on the Internet, PDA, mobile phone that are connected to, and the user can be through terminal 2 through internet access intelligent domestic gateway 1, thereby smart machine in the intelligent home network and terminal are controlled.The user can also use communication equipments such as PDA, mobile phone to visit digital home network intelligent gateway 1 through the GSM network.The 4 pairs of digital Household intelligent gateway 1 that also can directly use a teleswitch are controlled, and perhaps can use a teleswitch 4 in certain embodiments directly to infrared socket 5, even smart machine 6 are controlled.
Monitor 9 can be various detectors, inductor, such as detecting unstable, the equipment fault of intelligent home network builtin voltage, even when occurring abnormal conditions such as fire in the family, sends a warning to user terminal 2 and PDA 3 through intelligent domestic gateway 1.
Fig. 2 has shown the infrared socket that the application adopted and the structure of plug.Infrared jack technology is that infrared signal transceiver and supply socket are done together, also lets bus consistent with the power line trend simultaneously.In the normal use of intelligent domestic electrical equipment, if the attaching plug of electrical equipment is inserted on the socket, its bus control signal is also connected naturally.The key of infrared socket is 2 points, the one, and the holding wire trend is consistent with power line, is convenient to wiring; The 2nd, adopt infrared mode that holding wire is linked up in supply socket place.
As shown in Figure 2, the power line on the plug and socket is used for electric power to home intelligent equipment being provided, and infrared transceiver device is set respectively on the holding wire on the plug and socket, is used for transfer control signal.
The infrared socket that the application that shows Fig. 3 adopts and the communication structure of plug.Advantages such as the holding wire of infrared socket adopts 485 buses, and 485 buses have long transmission distance, and antijamming capability is strong.All holding wires have been avoided the problem of cabling again along with the power supply cabling.At the socket place, for good binding signal line, adopted the Infrared Transmission mode, promptly insert an infrared transceiver device socket one side, also install an infrared transceiver device plug one side.Utilize Infrared Transmission, holding wire has adopted non-contacting connection, and is promptly reliable, convenient again, avoided intelligent electric appliance need rethink the problem that holding wire connects.
Infrared socket data exchange process is following:
1), sends fixed address: when the infrared plug of terminal household electrical appliances is connected the infrared socket of compound bus; The terminal household electrical appliances at first can send fixed address to gateway; CPU1 among Fig. 3 can send fixed address with the infrared communication protocol of agreement and give socket CUP2, and socket is decoded after receiving ir encoded signal, obtains fixed address and deposits this fixed address; Simultaneously, through fixed address notice message notifying gateway.
2), distribute dynamic id address: receive fixed address and distribute a dynamic id address can for the corresponding socket of household electrical appliances after logical that when gateway household electrical appliances itself then need not write down dynamic id address to its audit.Gateway will must be delivered to destination address to the corresponding socket of id address notification that distributes to the destination address of the fixed address of receiving as communication to dynamic id address; And when household electrical appliances sent fixed address to gateway, associated socket all recorded the fixed address of household electrical appliances, so; Gateway sends to socket CPU2 to dynamic id through the address assignment message; CUP2 is coupling fixed address data earlier, if mate successfully, then deposit dynamic id address; Like this, source address and the destination address of this dynamic id address as communication just adopted in later communication.
Because the equipment that need not is directly stored the address that is assigned with, this has just reduced the requirement that realizes smart machine control, and conventional equipment can be applied in the intelligent home network and go widely.
Fig. 4 has shown the device address structure in the disclosed intelligent domestic system of the present invention.The device address is divided into fixed address and dynamic id address, and fixed address is solidificated in before equipment dispatches from the factory in the storage chip, and dynamically the id address then is that gateway distributed the address as this node communication after equipment inserted bus for the first time.
The equipment fixed address promptly is the unique identity card number of each equipment; Difference according to application scenarios; It can be got up to constitute by one of them or several combinations of the sequence number of batch code of the bar code of device type, equipment, equipment and equipment; As long as it can guarantee the uniqueness of fixed address, for example unique equipment can only use bar code as fixed address in the network.。
And the dynamic I D address of equipment is confirmed by home gateway, and its length is by can be owing to the decision of practical application scene.For example in one embodiment, dynamically the id address is made up of 2 bytes, from 0x00 to 0xffff, can represent 65536 the dynamic id of equipment addresses so altogether; Because dynamically the id address has only two bytes; Very brief, also enough at same Smart Home on-net location, so can reduce call duration time as the mailing address of each equipment on the bus with this address; Reduce the probability of data collision, improved communication efficiency greatly.Certainly, also can adopt other length, for example 1 or 3 above byte lengths are represented dynamic I D.
Show the method at the dereference intelligent terminal like Fig. 5, this method comprises:
(1) application server is waited for the visit of unknown intelligent domestic gateway, does not have the action message about this intelligent domestic gateway on the said application server;
(2) said intelligent domestic gateway is initiated access request, to said application server registers;
(3) after said registration finished, said intelligent domestic gateway began to accept remote access;
(4) application server provides said intelligent domestic gateway addressable interface to the user;
Wherein, Said intelligent domestic gateway is connected with intelligent terminal through the switch of band ID function of exchange; The component parts of said switch is identical with the IP switch, but uses 4,5,7,8 four lines of ethernet twisted pair to constitute the RS485 bus, and the signal end of 4,5,7,8 four lines of corresponding ethernet twisted pair in the intelligent home network switch is connected with the RS485 bus; With the media network in the intelligent domestic system, Control Network and signal network merge.
This interface for example is hyperlink.The user clicks this hyperlink and can get into and visit, and through the Web mode is long-range certain intelligent domestic system is managed and is controlled.
Said method can use separately, also can combine aforementioned each embodiment use among the application.
According to another embodiment, on the basis of aforementioned each embodiment of the present invention, the TTL of intelligent domestic gateway announce packet is according to the actual conditions Automatic Optimal.
According to another embodiment, on the basis of aforementioned each embodiment of the present invention, said intelligent domestic gateway is supported the several data link, and said data link comprises 485 buses, Ethernet and Radio Link.
According to another embodiment, on the basis of aforementioned each embodiment of the present invention, said gateway is discerned the intelligent terminal that connects on each link according to the characteristic of each agreement on each link and user's configuration.
According to another embodiment, on the basis of aforementioned each embodiment of the present invention, said gateway is discerned the various Smart Home agreements on each link automatically, thereby discerns the intelligent terminal that connects on each link.
According to another embodiment; On the basis of aforementioned each embodiment of the present invention; Said intelligent domestic system also comprises the intelligent domestic appliance controller, between the intelligent domestic appliance controller and intelligent terminal, connects up through in multiple RS485, RS232 or other wired connection modes and the wireless connections mode one or more.
According to another embodiment, on the basis of aforementioned each embodiment of the present invention, said intelligent domestic gateway is taked the network connecting wiring mode of one or more topological structures in star-like, ring-like and bus-type and the tree-shaped type.
The method of above-mentioned each embodiment all can be used separately, also can combine each embodiment of aforementioned intelligent household network among the application, infrared socket and/or address structure to use together.
It is understandable that the application's claim is not limited to these specific open forms, fall into alter mode, equivalents and substitute mode within the spirit and scope of the present invention but covered all.
Claims (13)
1. the method for a dereference intelligent terminal comprises:
(1) application server is waited for the visit of unknown intelligent domestic gateway, does not have the action message about this intelligent domestic gateway on the said application server;
(2) said intelligent domestic gateway is initiated access request, to said application server registers;
(3) after said registration finished, said intelligent domestic gateway began to accept remote access;
(4) application server provides said intelligent domestic gateway addressable interface to the user;
Wherein, said intelligent domestic gateway is connected with intelligent terminal through switch, is connected through ethernet line between said intelligent domestic gateway and the said switch, is connected through the RS485 bus between said switch and the intelligent terminal.
2. the method for dereference intelligent terminal as claimed in claim 1, the 4th, 5,7,8 four line of wherein said ethernet line constitutes the RS485 bus, and the 1st, 2,3,6 four line of said ethernet line is used to transmit ethernet signal.
3. the method for dereference intelligent terminal as claimed in claim 1, the TTL of intelligent domestic gateway announce packet is according to the actual conditions Automatic Optimal.
4. according to claim 1 or claim 2 the method for dereference intelligent terminal; Wherein the intelligent domestic system at intelligent domestic gateway place comprises intelligent gateway, infrared socket and infrared plug and has power line and be connected to the infrared communication module of the holding wire of infrared transceiver device, be connected to the home intelligent terminal of intelligent domestic gateway through said infrared communication module; It is characterized in that: infrared communication module is that home intelligent terminal provides electric power through power line, and communicates through holding wire and the intelligent domestic gateway that is connected to infrared transceiver device.
5. according to claim 1 or claim 2 the method for dereference intelligent terminal, wherein, said intelligent domestic gateway is supported the several data link, said data link comprises 485 buses, Ethernet and Radio Link.
6. according to claim 1 or claim 2 the method for dereference intelligent terminal, wherein, the intelligent terminal that connects on said gateway each link of configuration identification according to the characteristic of each agreement on each link and user.
7. according to claim 1 or claim 2 the method for dereference intelligent terminal, wherein, said gateway is discerned the various Smart Home agreements on each link automatically, thereby discerns the intelligent terminal that connects on each link.
8. according to claim 1 or claim 2 the method for dereference intelligent terminal; Said intelligent domestic system also comprises the intelligent domestic appliance controller, between the intelligent domestic appliance controller and intelligent terminal, connects up through in multiple RS485, RS232 or other wired connection modes and the wireless connections mode one or more.
9. according to claim 1 or claim 2 the method for dereference intelligent terminal, wherein, said intelligent domestic gateway is taked the network connecting wiring mode of one or more topological structures in star-like, ring-like and bus-type and the tree-shaped type.
10. the method for dereference intelligent terminal as claimed in claim 4, wherein when the infrared plug of family's intelligent terminal was connected the infrared socket of compound bus, home intelligent terminal sent fixed address at first for digital home's intelligent gateway;
Distribute a dynamic id address after digital home's intelligent gateway is received fixed address, can for the corresponding infrared socket of this fixed address, and adopt source address and the destination address of this dynamic id address as communication.
11. the method for dereference intelligent terminal as claimed in claim 10, wherein this fixed address comprises the one or more combination in the sequence number of batch code, home intelligent terminal of type codes, the home intelligent terminal of bar code, the home intelligent terminal of home intelligent terminal.
12. the method for dereference intelligent terminal as claimed in claim 4, wherein infrared communication module communicates through RS485 bus and digital home's intelligent gateway.
13. the method for dereference intelligent terminal according to claim 1 or claim 2, wherein said intelligent terminal be in the intelligent house network system and with the equipment or the terminal of the mutual control of control centre of user or intelligent house network system.
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| CN201210187937.5A CN102739483B (en) | 2012-06-08 | 2012-06-08 | The method of dereference intelligent terminal |
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